S. Korea and the U.S. propose limiting trade imbalances to 4% of each country's GDP by 2015. S. Korea is the host of the current G-20 meeting. Germany and Japan oppose this move, arguing that their governments cannot engineer such outcomes, as it was determined by economic activity in the private sector. Japan's representative, Finance Minister Yoshihiko Noda, said that while he was dubious about the idea of setting strict numerical goals, it would be acceptable to use them as reference numbers. Germany has traditionally opposed the idea. Germany wants to be counted as part of the European Union, rather than as a single nation, in any such reference goal. China has not commented on the target. S. Korea has presented the idea as a way to use more than currency exchange rates to achieve a global rebalancing. And People's Bank of China Deputy Gov. Yi Gang said Oct 10, that China is planning policies that could result in its surplus falling below 4% of GDP in 3 to 5 years, from about 5.8% in 2009....